From b289c6b374d7d265b6f1a731f6cbff19b4366942 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Tue, 9 Sep 2008 16:47:35 +0200 Subject: [PATCH] --- yaml --- r: 112603 b: refs/heads/master c: 126c52be4b1d2eb667a1d140f0ceaff9d353f700 h: refs/heads/master i: 112601: c6c824e8947163ffbb974545c85534af323c44ae 112599: ee636db43c647f3d05f207518514efdd11af1dde v: v3 --- [refs] | 2 +- trunk/arch/x86/kernel/amd_iommu_init.c | 8 ++++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index b6898b86d105..bb7d04c8c3be 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 90008ee4b811c944455752dcb72b291a5ba81b53 +refs/heads/master: 126c52be4b1d2eb667a1d140f0ceaff9d353f700 diff --git a/trunk/arch/x86/kernel/amd_iommu_init.c b/trunk/arch/x86/kernel/amd_iommu_init.c index eed488892c01..1974b73fece6 100644 --- a/trunk/arch/x86/kernel/amd_iommu_init.c +++ b/trunk/arch/x86/kernel/amd_iommu_init.c @@ -253,6 +253,13 @@ void __init iommu_enable(struct amd_iommu *iommu) iommu_feature_enable(iommu, CONTROL_IOMMU_EN); } +/* Function to enable IOMMU event logging and event interrupts */ +void __init iommu_enable_event_logging(struct amd_iommu *iommu) +{ + iommu_feature_enable(iommu, CONTROL_EVT_LOG_EN); + iommu_feature_enable(iommu, CONTROL_EVT_INT_EN); +} + /* * mapping and unmapping functions for the IOMMU MMIO space. Each AMD IOMMU in * the system has one. @@ -958,6 +965,7 @@ static void __init enable_iommus(void) list_for_each_entry(iommu, &amd_iommu_list, list) { iommu_set_exclusion_range(iommu); iommu_init_msi(iommu); + iommu_enable_event_logging(iommu); iommu_enable(iommu); } }